2018 Challenger de Buenos Aires – Singles

Nicolás Kicker was the defending champion but was suspended from tennis due to match-fixing.

Singles
2018 Challenger de Buenos Aires
Champion	Pablo Andújar
Runner-up	Pedro Cachín
Final score	6–3, 6–1

Main article: 2018 Challenger de Buenos Aires

Pablo Andújar won the title after defeating Pedro Cachín 6–3, 6–1 in the final.

Seeds

1. Guido Andreozzi (First round)
2. Pablo Andújar (Champion)
3. Thiago Monteiro (First round)
4. Pedro Sousa (First round, retired)
5. Hugo Dellien (Second round)
6. Carlos Berlocq (First round)
7. Gianluigi Quinzi (Second round)
8. Facundo Bagnis (First round)

Draw

Key

• Q = Qualifier
• WC = Wild Card
• LL = Lucky Loser
• Alt = Alternate
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Dimitar Kuzmanov	3	6^6
		Pedro Cachín	6	7^8
									Pedro Cachín	3	1
								2	Pablo Andújar	6	6
	Q	Federico Coria	6^5	5
	2	Pablo Andújar	7^7	7

Top half

	First Round							Second Round							Quarterfinals							Semifinals
	1	G Andreozzi	6^5	4
	Q	Bastián Malla	7^7	6				Q	B Malla	6	6
		D Gimeno Traver	7^8	5	6				D Gimeno Traver	2	4
		F Gaio	6^6	7	3										Q	B Malla	4	2
		D Kuzmanov	5	6	6											D Kuzmanov	6	6
	Alt	A Collarini	7	1	1				D Kuzmanov	6	6
		T Bellucci	4	6	3			7	G Quinzi	2	3
	7	G Quinzi	6	4	6																		D Kuzmanov	3	6^6
	3	T Monteiro	0	3																			P Cachín	6	7^8
		P Cachín	6	6					P Cachín	6	6
	Q	O Luz	6	3	6			Q	O Luz	2	1
	WC	F Cerúndolo	3	6	4											P Cachín	6	4	6
		F Argüello	6	6												F Argüello	1	6	4
	WC	R Olivo	1	2					F Argüello	6	6
	Q	Gonzalo Villanueva	4	3				5	H Dellien	4	4
	5	H Dellien	6	6

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	8	F Bagnis	4	6	6^5
		M Cuevas	6	4	7^7				M Cuevas	4	1
		M Zekić	3	2					G Clezar	6	6
		G Clezar	6	6												G Clezar	6^5	5
	Q	F Coria	6	6											Q	F Coria	7^7	7
		D Dima	2	1				Q	F Coria	2	6	7
		J Domingues	4						J Domingues	6	3	5
	4	P Sousa	3^r																			Q	F Coria	6^5	5
	6	C Berlocq	5	6^1																		2	P Andújar	7^7	7
		M Vilella Martínez	7	7^7					M Vilella Martínez	5^r
	WC	JP Ficovich	6	3	6^4				P Krstin	5
		P Krstin	3	6	7^7											P Krstin	5	4
		A De Greef	6	6											2	P Andújar	7	6
		G Elias	4	3					A De Greef	1	2
	WC	F Mena	2	1				2	P Andújar	6	6
	2	P Andújar	6	6

References

• Main Draw
• Qualifying Draw